Earthquake with magnitude of ML 2.0 on date 07-04-2009 and time 20:36:26 (Italy) in region 2 km SW L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km SW L'Aquila (AQ), on

  • 07-04-2009 18:36:26 (UTC)
  • 07-04-2009 20:36:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3420, 13.3840 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
L'Aquila AQ 2 69753 69753
Lucoli AQ 7 1011 70764
Tornimparte AQ 9 3187 73951
Ocre AQ 10 1167 75118
Fossa AQ 10 721 75839
Scoppito AQ 11 3727 79566
Pizzoli AQ 13 4326 83892
Sant'Eusanio Forconese AQ 13 394 84286
Poggio Picenze AQ 13 1136 85422
Rocca di Cambio AQ 15 533 85955
Barete AQ 15 737 86692
Villa Sant'Angelo AQ 15 424 87116
San Demetrio ne' Vestini AQ 16 1854 88970
Barisciano AQ 17 1828 90798
Fagnano Alto AQ 19 418 91216
Rocca di Mezzo AQ 19 1526 92742
Cagnano Amiterno AQ 19 1369 94111
Prata d'Ansidonia AQ 20 496 94607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km SW of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km W of Chieti (51815 inhabitants)
65 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
88 Km SE of Foligno (57155 inhabitants)
88 Km NE of Velletri (53303 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.0 2009-04-07
18:36:26
42.342 13.384 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 768699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 18:36:26 ± 0.1
Latitude 42.3420 ± 0.0063
Longitude 13.3840 ± 0.0097
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 768699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 783
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 768699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:32:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.SHZ. 2009-04-07T18:36:37.88 0.6 undecidable manual Sg 178 35.5422 -0.352 45
IV.TERO.HHN. 2009-04-07T18:36:37.71 0.3 undecidable manual Sg 30 35.9418 -0.647 62
IV.INTR.HHZ. 2009-04-07T18:36:36.63 0.6 undecidable manual Pg 130 56.2992 0.264 44
IV.FIAM.HHN. 2009-04-07T18:36:34.99 0.3 undecidable manual Sg 250 23.3544 -0.01 75
IV.VCEL.EHZ. 2009-04-07T18:36:34.15 0.3 undecidable manual Pg 81 37.8288 0.626 62
IV.CAMP.HHZ. 2009-04-07T18:36:34.35 0.6 undecidable manual Sg 5 21.5673 -0.173 48
IV.TERO.HHN. 2009-04-07T18:36:33.56 0.3 undecidable manual Pg 30 35.9418 0.328 68
IV.FAGN.HHZ. 2009-04-07T18:36:33.64 0.3 undecidable manual Sg 117 18.3705 0.002 75
IV.PTQR.SHZ. 2009-04-07T18:36:32.90 0.3 undecidable manual Pg 178 35.5422 -0.264 69
IV.CAMP.HHZ. 2009-04-07T18:36:31.16 0.1 undecidable manual Pg 5 21.5673 0.136 97
IV.FIAM.HHN. 2009-04-07T18:36:31.46 0.3 undecidable manual Pg 250 23.3544 0.164 72
IV.FAGN.HHZ. 2009-04-07T18:36:30.42 0.1 undecidable manual Pg 117 18.3705 -0.088 99
MN.AQU.HHZ. 2009-04-07T18:36:29.77 0.3 undecidable manual Sg 47 1.998 -0.267 73
MN.AQU.HHZ. 2009-04-07T18:36:28.59 0.1 undecidable manual Pg 47 1.998 0.162 100
IV.SBPO.HHE. 2009-04-07T18:36:15.97 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-04-07T18:36:03.08 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHZ. 2009-04-07T18:36:00.45 10.0 undecidable manual Pg 0 0 0
IV.GROG.HHN. 2009-04-07T18:35:57.09 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-07T18:35:56.40 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHN. 2009-04-07T18:35:53.56 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHN. 2009-04-07T18:35:47.97 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-07T18:35:46.52 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-04-07T18:35:44.08 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-07T18:35:43.06 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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